42055003551 has 16 divisors (see below), whose sum is σ = 61183001088. Its totient is φ = 25482844800.

The previous prime is 42055003537. The next prime is 42055003583. The reversal of 42055003551 is 15530055024.

It is a happy number.

It is not a de Polignac number, because 42055003551 - 2²² = 42050809247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42055003511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47191 + ... + 293831.

It is an arithmetic number, because the mean of its divisors is an integer number (3823937568).

Almost surely, 2^42055003551 is an apocalyptic number.

42055003551 is a deficient number, since it is larger than the sum of its proper divisors (19127997537).

42055003551 is a wasteful number, since it uses less digits than its factorization.

42055003551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251822.

The product of its (nonzero) digits is 15000, while the sum is 30.

Adding to 42055003551 its reverse (15530055024), we get a palindrome (57585058575).

The spelling of 42055003551 in words is "forty-two billion, fifty-five million, three thousand, five hundred fifty-one".